A-DNA, B-DNA and Z-DNA

Forfatter/Opretter:

Original uploader was Richard Wheeler (Zephyris) at en.wikipedia

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Originally from en.wikipedia; description page is/was here.

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https://dkwiki.dk/b/2d0f

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Wikimedia Commons

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2486 x 1620 Pixel (2163982 Bytes)

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From left to right, the structures of A-, B- and Z-DNA. The structure a DNA molecule depends on its environment. In aqueous enviromnents, including the majority of DNA in a cell, B-DNA is the most common structure. The A-DNA structure is dominates in dehydrated samples and is similar to the double-stranded RNA and DNA/RNA hybrids. Z-DNA is a rarer structure found in DNA bound to certain proteins.

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CC BY-SA 3.0

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Creative Commons Attribution-Share Alike 3.0